some small improvments

rowers/views/workoutviews.py

@@ -1542,7 +1542,11 @@ def virtualevent_compare_view(request,id=0):
 
 
     if request.method == 'GET':
-        xparam = race.sessionmode if race.sessionmode in ['distance','time'] else 'time'
+        xparam = 'time'
+        if race.sessionmode == 'distance':
+            xparam = 'cumdist'
+        
+
         yparam = 'pace'
         plottype = 'line'